Do I have to replace both ball joints?
Do I have to replace both ball joints? Do ball joints have to be replaced in pairs? No, it's not necessary, however, often when one ball joint is bad the other could be worn out too. In pickup trucks with double-arm front suspension, the upper and lower ball joints on one side are often replaced at the same time if the labor overlaps. How to replace upper control arm ball joint? Upper Ball Joint Replacement. This video will show you how to replace the Upper Control Arm Ball Joint on a Chevy Trailblazer, GMC Envoy, etc. Replacing a ball joint...